From: mouss (moussnetoyen.net)
Date: Tue Mar 18 2008 - 03:50:10 CDT

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Tomasz S wrote:
> Hello,
>
> I have a postfix configured with mysql, dovecot as a virtual
> transport and sasl authentication.
> When I send mail to an alias which is poining at noneexistent user
> in database, postfix accepts this and passes to dovecot. Because this
> user does not exist dovecot returns error: No such file or directory
> but later creates maildir and delivers message.
> How can I avod this situation?
>

by not creating aliases for nonexistent addresses.

> Here is my postconf -n
> --
> alias_database = hash:/etc/aliases
> alias_maps = hash:/etc/aliases
> append_dot_mydomain = no
> biff = no
> config_directory = /etc/postfix
> content_filter = smtp-amavis:[127.0.0.1]:10024
> disable_vrfy_command = yes
> fast_flush_domains =
> inet_interfaces = all
> message_size_limit = 10485760
> mydestination = hostname, localhost.localdomain, localhost
> myhostname = xxxxx.xxxxx.net
> mynetworks = 127.0.0.0/8 192.168.0.0/24
> notify_classes = bounce, delay, policy, protocol, resource, software
> receive_override_options = no_address_mappings
> recipient_delimiter = +
> relayhost =
> show_user_unknown_table_name = no
> smtpd_client_restrictions =
> permit_mynetworks
> permit_sasl_authenticated
> reject_unauth_pipelining
> reject_rbl_client zen.spamhaus.org
> check_policy_service inet:127.0.0.1:60000
> smtpd_delay_reject = yes
> smtpd_helo_required = yes
> smtpd_helo_restrictions =
> reject_unauth_pipelining
> reject_invalid_hostname
> permit
> smtpd_recipient_restrictions =
> permit_mynetworks
> permit_sasl_authenticated
> reject_unauth_destination
> check_policy_service unix:private/policy
> smtpd_reject_unlisted_sender = yes
> smtpd_sasl_auth_enable = yes
> smtpd_sasl_path = private/auth
> smtpd_sasl_security_options = noanonymous
> smtpd_sasl_type = dovecot
> smtpd_sender_restrictions =
> reject_unknown_sender_domain
> reject_non_fqdn_sender
> virtual_alias_maps = mysql:/etc/postfix/mysql-virtual_alias-maps.cf,
> mysql:/etc/postfix/mysql-virtual_email2email.cf
> virtual_gid_maps = static:5000
> virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual_mailbox-domains.cf
> virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual_mailbox-maps.cf
> virtual_transport = dovecot
> virtual_uid_maps = static:5000
> --
>
> Tomasz
>
>
>

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